/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:57:35,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:57:35,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:57:35,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:57:35,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:57:35,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:57:35,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:57:35,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:57:35,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:57:35,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:57:35,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:57:35,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:57:35,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:57:35,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:57:35,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:57:35,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:57:35,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:57:35,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:57:35,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:57:35,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:57:35,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:57:35,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:57:35,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:57:35,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:57:35,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-06 21:57:35,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:57:35,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:57:35,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:57:35,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 21:57:35,966 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:57:35,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:57:35,970 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:57:35,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:57:35,971 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:57:35,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:57:35,971 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:57:35,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:57:35,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:57:35,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:57:35,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:57:35,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:57:35,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:57:35,972 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:57:35,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:57:35,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:57:35,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:57:35,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:57:35,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:57:35,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:57:35,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:57:35,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:57:35,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:57:35,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:57:35,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:57:35,977 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:57:35,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:57:35,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:57:35,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:57:35,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:57:36,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:57:36,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:57:36,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:57:36,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:57:36,415 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:57:36,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-11-06 21:57:36,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c40581dfa/84b6dde5c669426cb32fcaa6aef57af4/FLAGbf55514aa [2020-11-06 21:57:37,238 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:57:37,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-11-06 21:57:37,251 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c40581dfa/84b6dde5c669426cb32fcaa6aef57af4/FLAGbf55514aa [2020-11-06 21:57:37,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c40581dfa/84b6dde5c669426cb32fcaa6aef57af4 [2020-11-06 21:57:37,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:57:37,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:57:37,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:57:37,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:57:37,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:57:37,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ced6ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37, skipping insertion in model container [2020-11-06 21:57:37,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:57:37,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:57:37,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:57:37,870 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:57:37,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:57:37,923 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:57:37,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37 WrapperNode [2020-11-06 21:57:37,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:57:37,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:57:37,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:57:37,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:57:37,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (1/1) ... [2020-11-06 21:57:37,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:57:37,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:57:37,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:57:37,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:57:37,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:57:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:57:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:57:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:57:38,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-11-06 21:57:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-11-06 21:57:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-11-06 21:57:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-11-06 21:57:38,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:57:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:57:38,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:57:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:57:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:57:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-11-06 21:57:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-11-06 21:57:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-11-06 21:57:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-06 21:57:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:57:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:57:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-11-06 21:57:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-11-06 21:57:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:57:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:57:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:57:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:57:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-06 21:57:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:57:38,603 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:57:38,603 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-06 21:57:38,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:38 BoogieIcfgContainer [2020-11-06 21:57:38,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:57:38,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:57:38,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:57:38,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:57:38,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:57:37" (1/3) ... [2020-11-06 21:57:38,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6124dc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:38, skipping insertion in model container [2020-11-06 21:57:38,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:57:37" (2/3) ... [2020-11-06 21:57:38,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6124dc16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:57:38, skipping insertion in model container [2020-11-06 21:57:38,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:57:38" (3/3) ... [2020-11-06 21:57:38,619 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1232b.c [2020-11-06 21:57:38,639 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:57:38,644 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 21:57:38,661 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 21:57:38,707 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:57:38,707 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:57:38,707 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:57:38,707 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:57:38,707 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:57:38,707 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:57:38,708 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:57:38,708 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:57:38,733 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-11-06 21:57:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-06 21:57:38,743 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:38,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:38,745 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:38,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:38,754 INFO L82 PathProgramCache]: Analyzing trace with hash 466336785, now seen corresponding path program 1 times [2020-11-06 21:57:38,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:38,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854382018] [2020-11-06 21:57:38,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:38,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:39,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854382018] [2020-11-06 21:57:39,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:39,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:57:39,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630424657] [2020-11-06 21:57:39,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:57:39,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:39,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:57:39,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:57:39,162 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 4 states. [2020-11-06 21:57:39,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:39,422 INFO L93 Difference]: Finished difference Result 84 states and 113 transitions. [2020-11-06 21:57:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 21:57:39,424 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2020-11-06 21:57:39,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:39,435 INFO L225 Difference]: With dead ends: 84 [2020-11-06 21:57:39,435 INFO L226 Difference]: Without dead ends: 41 [2020-11-06 21:57:39,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:57:39,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-11-06 21:57:39,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-11-06 21:57:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-11-06 21:57:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2020-11-06 21:57:39,494 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 23 [2020-11-06 21:57:39,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:39,494 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2020-11-06 21:57:39,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:57:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2020-11-06 21:57:39,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-06 21:57:39,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:39,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:39,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:57:39,498 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:39,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:39,499 INFO L82 PathProgramCache]: Analyzing trace with hash 89703828, now seen corresponding path program 1 times [2020-11-06 21:57:39,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:39,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704052911] [2020-11-06 21:57:39,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:39,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704052911] [2020-11-06 21:57:39,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:39,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 21:57:39,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363770610] [2020-11-06 21:57:39,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:57:39,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:39,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:57:39,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 21:57:39,726 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 6 states. [2020-11-06 21:57:39,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:39,961 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2020-11-06 21:57:39,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:57:39,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-11-06 21:57:39,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:39,967 INFO L225 Difference]: With dead ends: 61 [2020-11-06 21:57:39,968 INFO L226 Difference]: Without dead ends: 45 [2020-11-06 21:57:39,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:57:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-11-06 21:57:39,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-11-06 21:57:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-06 21:57:40,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2020-11-06 21:57:40,002 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 24 [2020-11-06 21:57:40,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:40,003 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2020-11-06 21:57:40,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:57:40,004 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-11-06 21:57:40,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 21:57:40,007 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:40,007 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:40,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:57:40,009 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:40,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:40,011 INFO L82 PathProgramCache]: Analyzing trace with hash 307621642, now seen corresponding path program 1 times [2020-11-06 21:57:40,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:40,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54933741] [2020-11-06 21:57:40,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:57:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:57:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:57:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:57:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:57:40,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54933741] [2020-11-06 21:57:40,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:57:40,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 21:57:40,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417851209] [2020-11-06 21:57:40,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:57:40,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:57:40,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:57:40,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-06 21:57:40,190 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand 6 states. [2020-11-06 21:57:40,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:57:40,380 INFO L93 Difference]: Finished difference Result 65 states and 76 transitions. [2020-11-06 21:57:40,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:57:40,382 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-11-06 21:57:40,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:57:40,385 INFO L225 Difference]: With dead ends: 65 [2020-11-06 21:57:40,385 INFO L226 Difference]: Without dead ends: 49 [2020-11-06 21:57:40,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:57:40,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-06 21:57:40,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2020-11-06 21:57:40,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-11-06 21:57:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2020-11-06 21:57:40,405 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 27 [2020-11-06 21:57:40,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:57:40,408 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2020-11-06 21:57:40,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:57:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2020-11-06 21:57:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 21:57:40,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:57:40,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:57:40,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:57:40,410 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:57:40,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:57:40,410 INFO L82 PathProgramCache]: Analyzing trace with hash 436704361, now seen corresponding path program 1 times [2020-11-06 21:57:40,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:57:40,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8305936] [2020-11-06 21:57:40,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:57:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:57:40,471 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:57:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:57:40,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:57:40,545 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:57:40,546 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:57:40,546 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:57:40,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:57:40 BoogieIcfgContainer [2020-11-06 21:57:40,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:57:40,587 INFO L168 Benchmark]: Toolchain (without parser) took 2963.29 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 126.4 MB in the beginning and 112.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 46.3 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:40,588 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:57:40,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.71 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 115.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:40,589 INFO L168 Benchmark]: Boogie Preprocessor took 48.00 ms. Allocated memory is still 151.0 MB. Free memory was 115.3 MB in the beginning and 113.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:40,590 INFO L168 Benchmark]: RCFGBuilder took 631.73 ms. Allocated memory is still 151.0 MB. Free memory was 113.6 MB in the beginning and 129.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:40,591 INFO L168 Benchmark]: TraceAbstraction took 1974.82 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 128.6 MB in the beginning and 112.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:57:40,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 294.71 ms. Allocated memory is still 151.0 MB. Free memory was 125.8 MB in the beginning and 115.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.00 ms. Allocated memory is still 151.0 MB. Free memory was 115.3 MB in the beginning and 113.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 631.73 ms. Allocated memory is still 151.0 MB. Free memory was 113.6 MB in the beginning and 129.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1974.82 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 128.6 MB in the beginning and 112.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someUnaryDOUBLEoperation at line 76. Possible FailurePath: [L76] double x = -0.0; [L77] double y = 0.0; VAL [y=0] [L78] CALL, EXPR fmin_double(x, y) VAL [\old(x)=4294967309, \old(y)=0] [L48] CALL, EXPR __fpclassify_double(x) VAL [\old(x)=4294967309] [L21] __uint32_t msw, lsw; VAL [\old(x)=4294967309, x=4294967309] [L24] ieee_double_shape_type ew_u; [L25] ew_u.value = (x) [L26] EXPR ew_u.parts.msw [L26] (msw) = ew_u.parts.msw [L27] EXPR ew_u.parts.lsw [L27] (lsw) = ew_u.parts.lsw [L30-L31] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) VAL [\old(x)=4294967309, lsw=4294967297, msw=2146435073, x=4294967309] [L33-L34] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) VAL [\old(x)=4294967309, lsw=4294967297, msw=2146435073, x=4294967309] [L36-L37] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) VAL [\old(x)=4294967309, lsw=4294967297, msw=2146435073, x=4294967309] [L40-L41] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L44] return 0; VAL [\old(x)=4294967309, \result=0, lsw=4294967297, msw=2146435073, x=4294967309] [L48] RET, EXPR __fpclassify_double(x) VAL [\old(x)=4294967309, \old(y)=0, __fpclassify_double(x)=0, x=4294967309, y=0] [L48] COND TRUE __fpclassify_double(x) == 0 [L49] return y; VAL [\old(x)=4294967309, \old(y)=0, \result=0, x=4294967309, y=0] [L78] RET, EXPR fmin_double(x, y) VAL [fmin_double(x, y)=0, x=4294967309, y=0] [L78] double res = fmin_double(x, y); [L81] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=0, res == -0.0 && __signbit_double(res) == 1=0, x=4294967309, y=0] [L81] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L82] CALL reach_error() [L3] __assert_fail("0", "double_req_bl_1232b.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 138 SDtfs, 30 SDslu, 251 SDs, 0 SdLazy, 181 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 5915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...